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Explain the pathway of a reflex, and name the neurones involved.
(Background) A reflex is a sudden, unconscious and involuntary response to a stimuli. It occurs through 3 different types of neurones or nerve cells: 1) The stimulus (heat, pain, light) is detected through a...
AB
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Alexander B.
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Biology tutor
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Differentiate y = 3x^4 + 6x^3
There are two really simple steps we can use to be able to differentiate in a question like this. The first step is to multiply the number in the power by the number in front of the variable - in this case t...
AB
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Amrita B.
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Maths tutor
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What is the difference between a nerve synapse and a neuromuscular junction?
The presynaptic part of both junctions are both almost identical, although different neurotransmitters can be used depending on location and function. Acetylcholine is usually found in neuromuscular junction...
AL
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Annabel L.
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Biology tutor
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Describe the processes which occur that allow synaptic transmission
The action potential arrives at the axon terminal 2) Voltage-gated Ca2+ channels open 3) Ca2+ enters the presynaptic neurone 4) Ca2+ signals to neurotransmitter vesicles 5) Vesicles move to the membrane and ...
EH
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Elissa H.
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Biology tutor
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How do you think we could express identity through an image?
Artists have often explored identity by creating portraits, both of him / herself and of others. If you look at a painter such as Holbein, you will see that he has included clothing and objects in the image....
DH
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Donna H.
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Art tutor
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